void AttachCollections()
{
if (_participant.VaccineModelsAdministered == null)
{
_participant.VaccineModelsAdministered = Mapper.Map <List <VaccineAdministeredModel> >((from r in _repository.VaccinesAdministered
where r.ParticipantId == _participant.Id
select r).ToList());
}
if (_participant.StudyCentre == null)
{
_participant.StudyCentre = _repository.LocalStudyCentres.First(s => s.Id == _participant.CentreId);
}
if (VaccinesAdministered != null)
{
VaccinesAdministered.Clear(); // remove event handlers
}
else
{
VaccinesAdministered = new ObservableCollection <VaccineAdministeredViewModel>();
VaccinesAdministered.CollectionChanged += VaccinesAdministered_CollectionChanged;
}
foreach (VaccineAdministeredModel model in _participant.VaccineModelsAdministered)
{
VaccineAdministeredViewModel vm = new VaccineAdministeredViewModel(model, AllVaccinesAvailable);
VaccinesAdministered.Add(vm);
}
VaccinesAdministered.Add(NewVaccineAdministeredViewModel());
}
private void NewVaccineAdminVm_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "AdministeredAtDate" || e.PropertyName == "AdministeredAtTime" || e.PropertyName == "SelectedVaccine")
{
var newVaccineAdminVm = (VaccineAdministeredViewModel)sender;
newVaccineAdminVm.AllowEmptyRecord = newVaccineAdminVm.IsEmpty;
if (!newVaccineAdminVm.IsEmpty && newVaccineAdminVm.IsValid())
{
newVaccineAdminVm.AllowEmptyRecord = false;
_participant.VaccineModelsAdministered.Add(newVaccineAdminVm.VaccineAdministeredModel);
newVaccineAdminVm.PropertyChanged -= NewVaccineAdminVm_PropertyChanged;
VaccinesAdministered.Add(NewVaccineAdministeredViewModel());
}
}
}
bool CanSave(object param)
{
return((IsParticipantModelChanged && WasValidOnLastNotify) || (IsVaccineAdminChanged && VaccinesAdministered.All(v => v.IsValid())));
}